Sound barrier
音障
📖 牛津释义
sound barrier
(also sonic barrier), point at which an aircraft's speed equals that of sound waves, causing sonic booms 声障; 音障
break the sound barrier, ie move faster than the speed of sound 突破声障（即以超声速飞行）.
🧩 词语组成解析
sound
[saʊnd]
n. 声音，声响;音调，声调;声波;嘈杂声;
vi. 响，发声;听起来，好像;回响;[音乐]乐器等被奏响;
vt. 使出声，使发声;清楚地发出;宣布，发表;颂扬;
adj. 健全的;合理的;完好的，无损的;明智的;
adv. 彻底地，充分地;
🗣️ 情景例句
She complained, with reason, that she had been underpaid.
她抱怨她的工资一直很低，这也不无道理。
Did you tell him yourself?
你自己亲自告诉他吗？
When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
在大火最后被扑灭后，森林管理当局订购了好几吨一种生长迅速的特殊类型的草籽。